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fix(glob): avoid subcapture nesting too deep error (#29520)

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Use Cmt to evaluate Cond and Elem during match to avoid building the
nested capture structure later.
This commit is contained in:
Zoltán Nyikos
2024-07-06 11:40:08 +02:00
committed by GitHub
parent 0abaccb2a7
commit b109b1abce
2 changed files with 28 additions and 6 deletions
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13
test/functional/lua/glob_spec.lua
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@@ -205,6 +205,19 @@ describe('glob', function()
eq(true, match('[!a-zA-Z0-9]', '!'))
end)
it('should handle long patterns', function()
-- lpeg has a recursion limit of 200 by default, make sure the grammar does trigger it on
-- strings longer than that
local fill_200 =
'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
eq(200, fill_200:len())
local long_lit = fill_200 .. 'a'
eq(false, match(long_lit, 'b'))
eq(true, match(long_lit, long_lit))
local long_pat = fill_200 .. 'a/**/*.c'
eq(true, match(long_pat, fill_200 .. 'a/b/c/d.c'))
end)
it('should match complex patterns', function()
eq(false, match('**/*.{c,h}', ''))
eq(false, match('**/*.{c,h}', 'c'))